that murdering takes place as a direct result of prohibition, and it's the same reason growers/dealers can depend on marijuana to bring them so much money. surely growers/dealers don't intend for this to happen, but i fail to see how the two cannot be correlated when they share the same cause.
i agree that marijuana is only the tip of the iceberg, but it's all inherent to drug prohibition in toto. and while most of the killings are on the mexican side of things, many of those killed have been US citizens (
Killers of Americans south of border rarely caught | Front page | Chron.com - Houston Chronicle). here's a good collection of related stories i was able to find real quick:
South Texas Chisme